An esophagostomy tube is a small rubber tube that enters the esophagus through a surgical incision on the side of the neck. This allows food you to place food directly into the esophagus so that it can flow down into the stomach. The feeding tube is not placed directly into the stomach.

Vitamin A is an essential vitamin for cats, dogs and humans. Deficiency in vitamin A can lead to serious conditions, especially blindness. However, too much vitamin A or hypervitaminosis A can lead to serious toxicity. While somewhat uncommon in North America, vitamin A toxicity is sometimes diagnosed in cats that are fed primarily table scraps.